--source include/have_debug_sync.inc
#
# exists as session only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@global.debug_sync;
select @@session.debug_sync;

show global variables like "debug_sync";
show session variables like "debug_sync";

select * from information_schema.global_variables where variable_name="debug_sync";
select * from information_schema.session_variables where variable_name="debug_sync";

--error ER_WRONG_TYPE_FOR_VAR
set @@session.debug_sync=1;
--error ER_WRONG_TYPE_FOR_VAR
set @@session.debug_sync=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set @@session.debug_sync=1e1;